A central lesson of the Solow model is that:

Group of answer choices

saving rates serve as the engine of long$-$run per capita economic growth.

the initial capital stock plays a large part in long$-$run economic growth.

capital accumulation is the only engine of long$-$run per capita economic growth.

consumption is the only engine of short$-$run per capita economic growth.

capital accumulation cannot serve as the engine of long$-$run per capita economic growth.